May weather forecast
Lake Zurich, IL

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Weather in May

May, the last month of the spring in Lake Zurich, is a refreshing month, with an average temperature fluctuating between 50.2°F (10.1°C) and 66.4°F (19.1°C).

Temperature

As Lake Zurich transitions into May, the average high-temperature shows a change, moving from a cool 54.3°F (12.4°C) in April to a comfortable 66.4°F (19.1°C). During the month of May, the temperature in Lake Zurich falls to an average of 50.2°F (10.1°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Lake Zurich, in May, during 20 rainfall days, 4.06" (103mm) of precipitation is typically accumulated. In Lake Zurich, during the entire year, the rain falls for 163.1 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Lake Zurich. May is the last month it regularly snows in Lake Zurich. During 0.2 snowfall days, in May, Lake Zurich aggregates 0.08" (2mm) of snow. Throughout the year, in Lake Zurich, there are 55.5 snowfall days, and 22.95" (583mm) of snow is accumulated.

Daylight

In May, the average length of the day in Lake Zurich is 14h and 36min.
On the first day of the month, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of May, in Lake Zurich, sunrise is at 5:18 am and sunset at 8:21 pm CDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in May in Lake Zurich is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Lake Zurich in May?

In Lake Zurich, 66.4°F (19.1°C) is the average high-temperature and 50.2°F (10.1°C) is the average low-temperature during May.

What is the average humidity in May in Lake Zurich?

In Lake Zurich, Illinois, the average relative humidity in May is 77%.

How much does it rain in Lake Zurich in May?

In Lake Zurich, during May, the rain falls for 20 days and regularly aggregates up to 4.06" (103mm) of precipitation.

What is the last month it snows in Lake Zurich?

May is the last month it regularly snows in Lake Zurich, Illinois. During 0.2 snowfall days, in May, Lake Zurich aggregates 0.08" (2mm) of snow.

What is the average length of the day in May in Lake Zurich?

The average day length in May in Lake Zurich is 14h and 36min.

When is the sunrise / sunset in May in Lake Zurich?

In May, on the first day of the month, sunrise is at 5:46 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:21 pm CDT.

How many hours of sunshine does Lake Zurich have in May?

In May, the average sunshine duration is 8.5h.

What is the UV index intensity in May in Lake Zurich?

The average daily maximum UV index in May in Lake Zurich is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lake Zurich, IL

Average temperature in May - Lake Zurich, IL
  • Average high temperature in May: 66.4°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in May: 50.2°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).

Average pressure in May
Lake Zurich, IL

Average pressure in May - Lake Zurich, IL
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Lake Zurich, IL

Average wind speed in May - Lake Zurich, IL
  • Average wind speed in May: 8.3mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Lake Zurich, IL

Average humidity in May - Lake Zurich, IL
  • Average humidity in May: 77%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Lake Zurich, IL

Average rainfall in May - Lake Zurich, IL
  • Average rainfall in May: 4.06"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").

Average rainfall days in May
Lake Zurich, IL

Average rainfall days in May - Lake Zurich, IL
  • Average rainfall days in May: 20 days

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in May
Lake Zurich, IL

Average snowfall in May - Lake Zurich, IL
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Lake Zurich, IL

Average snowfall days in May - Lake Zurich, IL
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Lake Zurich, IL

Average daylight in May / Average sunshine in May - Lake Zurich, IL
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 8h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in May
Lake Zurich, IL

Average sunshine days in May - Lake Zurich, IL
  • Average sunshine days in May: 8.5 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).

Average UV index in May
Lake Zurich, IL

Average UV index in May - Lake Zurich, IL
  • Average UV index in May: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Lake Zurich, IL

Average cloud cover in May - Lake Zurich, IL
  • Average cloud cover in May: 43

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in May
Lake Zurich, IL

Average visibility in May - Lake Zurich, IL
  • Average visibility in May: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Lake Zurich, Illinois, USA

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